I have 2No. Demon 4235mah 35C with little use in my GT Pan Car
http://demonpowerproducts.co.uk/prod...oducts_id=4256
They cost me £65 6 months ago and were used about 20 times before i bought some 5200mah ones and have been sitting in my spares box for last 3 months.
£35 posted